Home / 30,915.72-46,360.98-15,127.56

Finding the Fourth Proportional to 30,915.72, 46,360.98 and 15,127.56

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Solution

The fourth proportional to 30,915.72, 46,360.98 and 15,127.56 is: 22,685.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,915.72 : 46,360.98 = 15,127.56 : x
  2. Step 2: Convert to fraction form
    30,915.72/46,360.98 = 15,127.56/x
  3. Step 3: Cross multiply
    30,915.72x = 46,360.98 × 15,127.56
  4. Step 4: Simplify right side
    30,915.72x = 701,328,506.61
  5. Step 5: Solve for x
    x = 701,328,506.61/30,915.72
  6. Step 6: Final answer
    x = 22,685.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.